Ultra 5 245KF vs A6-6400K

VS

Aggregate performance score

A6-6400K
2013
2 cores / 2 threads, 65 Watt
0.95
Core Ultra 5 245KF
2024
14 cores / 14 threads, 125 Watt
27.54
+2799%

Core Ultra 5 245KF outperforms A6-6400K by a whopping 2799% based on our aggregate benchmark results.

Primary details

Comparing A6-6400K and Core Ultra 5 245KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2514176
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data81.94
Market segmentDesktop processorDesktop processor
SeriesAMD A-Series (Desktop)no data
Power efficiency1.3820.74
Architecture codenameRichland (2013−2014)Arrow Lake-S (2024−2025)
Release date1 June 2013 (11 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)no data$294

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

A6-6400K and Core Ultra 5 245KF basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores2 (Dual-core)14 (Tetradeca-Core)
Threads214
Base clock speed3.9 GHz4.2 GHz
Boost clock speed4.1 GHz5.2 GHz
L1 cache96 KB112 KB (per core)
L2 cache1024 KB3 MB (per core)
L3 cache0 KB24 MB (shared)
Chip lithography32 nm3 nm
Die size246 mm2243 mm2
Maximum core temperature70 °Cno data
Maximum case temperature (TCase)70 °Cno data
Number of transistors1,178 million17,800 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier+-

Compatibility

Information on A6-6400K and Core Ultra 5 245KF compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFM21851
Power consumption (TDP)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-6400K and Core Ultra 5 245KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE1-4a, AES, ABM, AVX, BMI1, AMD64, VT, EVP, Turbo Core 3.0no data
AES-NI++
FMAFMA4-
AVX++
PowerNow+-
PowerGating+-
VirusProtect+-
Enhanced SpeedStep (EIST)no data+
TSX-+

Security technologies

A6-6400K and Core Ultra 5 245KF technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-6400K and Core Ultra 5 245KF are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-6400K and Core Ultra 5 245KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1866DDR5
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon HD 8470DN/A
Number of pipelines192no data
Enduro+-
Switchable graphics+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of A6-6400K and Core Ultra 5 245KF integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A6-6400K and Core Ultra 5 245KF integrated GPUs, sometimes API versions are included.

DirectXDirectX® 11no data

Peripherals

Specifications and connection of peripherals supported by A6-6400K and Core Ultra 5 245KF.

PCIe version2.05.0
PCI Express lanesno data20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

A6-6400K 0.95
Ultra 5 245KF 27.54
+2799%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

A6-6400K 1504
Ultra 5 245KF 43751
+2809%

Gaming performance

Pros & cons summary


Performance score 0.95 27.54
Recency 1 June 2013 24 October 2024
Physical cores 2 14
Threads 2 14
Chip lithography 32 nm 3 nm
Power consumption (TDP) 65 Watt 125 Watt

A6-6400K has 92.3% lower power consumption.

Ultra 5 245KF, on the other hand, has a 2798.9% higher aggregate performance score, an age advantage of 11 years, 600% more physical cores and 600% more threads, and a 966.7% more advanced lithography process.

The Core Ultra 5 245KF is our recommended choice as it beats the A6-6400K in performance tests.


Should you still have questions on choice between A6-6400K and Core Ultra 5 245KF, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD A6-6400K
A6-6400K
Intel Core Ultra 5 245KF
Core Ultra 5 245KF

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Community ratings

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Questions & comments

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